iio: amplifiers: ad8366: use devm_mutex_init() and drop mutex_init()

Adopt proper mutex lifecycle with devm_mutex_init(), replacing
mutex_init(). Mutex init is moved up (before regulator init),
so that goto statement in the error path is avoided (which will
be cleaned up later).

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Rodrigo Alencar 2026-02-16 17:10:49 +00:00 • committed by Jonathan Cameron
commit 5603a07af9